*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 0;
    font-family: "楷体";
}
body{
    height: 1000px;
    background: url("img/bg13.gif");
    background-size: 100% auto;
}
#titlediv{
    background-image: url("img/QQ图片20211227001028.png");
    height: 180px;
    width: 1200px;
    background-size: 1200px 190px;
    margin: 0 auto;
    position: relative;
}
#logo{
    display: inline-block;
    
}
#nav{
    width: 1200px;
    height: 60px;
    background-image: url("img/bg.jpg");
    background-size: auto;
    margin: 0 auto;
}
#nav ul>li{
    color: black;
    font-family: "楷体";
}
#nav ul li{
    display: inline-block;
    line-height: 60px;
    font-size: 24px;
    width: 300px;
    text-align: center;
    position: relative;
    z-index: 99;
}
a{
    text-decoration: none;
}
.seconddiv{
    position: absolute;
    top: 60px;
    width: 300px;
    overflow: hidden;
    border-top: 0;
    border-bottom: 0;
    display: none;
    z-index: 2;
}
.seconddiv a{
    color: #000000;
}
.firstli{
    line-height: 60px;
    font-family: "粗体";
}
.secondli{
    vertical-align: top;
    display: inline-block;
    height: 60px;
    border-bottom: 1px solid rgba(0,255,255,0.7);
}
.secondli:hover{
    background:url("img/bg.jpg");
}
.firstli:hover .seconddiv{
    display: block;   
}
.firstli:hover{
    background-color: rgba(255,255,255,0.7);
    cursor: pointer;
}
.xiaorenR{
    width: 150px;
    height: 200px;
    position: fixed;
    right: 10px;
    top: 300px;
}
.xiaorenL{
    width: 150px;
    height: 200px;
    position: fixed;
    left: 10px;
    top: 300px;
}
span{
    text-align: center;
    
}
